The withdrawal is taxable if you received a Form 1099-R with a taxable amount entered in box 2a. There is not an exception to the 10% early withdrawal penalty for care of a family member.
See IRS Tax Topics for early distributions -
https://www.irs.gov/taxtopics/tc557
https://www.irs.gov/taxtopics/tc558
To enter a form 1099-R -
- Click on Federal Taxes (Personal using Home and Business)
- Click on Wages and Income (Personal Income using Home and Business)
- Click on I'll choose what I work on (if shown)
- Scroll down to Retirement Plans and Social Security
- On IRA, 401(k), Pension Plan Withdrawals (1099-R), click the start or update button
Or enter 1099-r in the Search box located in the upper right of the program screen. Click on Jump to 1099-R